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From Gautam Kowshik <gaut...@yahoo-inc.com>
Subject Re: [jira] Commented: (HADOOP-1973) NPE at JobTracker startup..
Date Mon, 01 Oct 2007 18:40:58 GMT
Sorry.. this was on trunk.
-G.

Owen O'Malley (JIRA) wrote:
>     [ https://issues.apache.org/jira/browse/HADOOP-1973?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12531583
] 
>
> Owen O'Malley commented on HADOOP-1973:
> ---------------------------------------
>
> Gautam, were you running 0.14 or pre-0.15 when this happened?
>
>   
>> NPE at JobTracker startup..
>> ---------------------------
>>
>>                 Key: HADOOP-1973
>>                 URL: https://issues.apache.org/jira/browse/HADOOP-1973
>>             Project: Hadoop
>>          Issue Type: Bug
>>          Components: mapred
>>    Affects Versions: 0.14.1
>>            Reporter: Gautam Kowshik
>>
>> At JT startup a bunch of these were thrown.. and the JT shutdown. 
>> 2007-10-01 07:48:36,501 WARN org.apache.hadoop.mapred.JobTracker: Serious problem,
cannot find record of 'previous' heartbeat for '[tracker_address]:/127.0.0.1:40205'; reinitializing
the tasktracker
>> 2007-10-01 07:48:36,504 WARN org.apache.hadoop.mapred.JobTracker: Serious problem,
cannot find record of 'previous' heartbeat for '[tracker_address]:/127.0.0.1:57935'; reinitializing
the tasktracker
>> 2007-10-01 07:48:36,520 WARN org.apache.hadoop.mapred.JobTracker: Serious problem,
cannot find record of 'previous' heartbeat for '[tracker_address]:/127.0.0.1:46305'; reinitializing
the tasktracker
>> 2007-10-01 07:48:36,523 WARN org.apache.hadoop.mapred.JobTracker: Serious problem,
cannot find record of 'previous' heartbeat for '[tracker_address]:/127.0.0.1:55988'; reinitializing
the tasktracker
>> 2007-10-01 07:48:36,524 INFO org.apache.hadoop.ipc.Server: IPC Server handler 28
on 50020, call getFilesystemName() from [tracker_ip]:47361: error: java.io.IOException: java.lang.NullPointerException
>> java.io.IOException: java.lang.NullPointerException
>>         at org.apache.hadoop.mapred.JobTracker.getFilesystemName(JobTracker.java:1458)
>>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>         at java.lang.reflect.Method.invoke(Method.java:597)
>>         at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:340)
>>         at org.apache.hadoop.ipc.Server$Handler.run(Server.java:596)
>>     
>
>   


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